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8465830799869 is a prime number
BaseRepresentation
bin111101100110001101011…
…0101100110100111111101
31002222022210022012220100001
41323030122311212213331
52102201010141043434
630001052102434301
71532431115325412
oct173143265464775
932868708186301
108465830799869
11277437a867963
12b48899732991
1349542a996201
14213a6985c109
15ea337e26114
hex7b31ad669fd

8465830799869 has 2 divisors, whose sum is σ = 8465830799870. Its totient is φ = 8465830799868.

The previous prime is 8465830799827. The next prime is 8465830799891. The reversal of 8465830799869 is 9689970385648.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5964277342969 + 2501553456900 = 2442187^2 + 1581630^2 .

It is a cyclic number.

It is not a de Polignac number, because 8465830799869 - 211 = 8465830797821 is a prime.

It is a super-2 number, since 2×84658307998692 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8465830799792 and 8465830799801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8465830799809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4232915399934 + 4232915399935.

It is an arithmetic number, because the mean of its divisors is an integer number (4232915399935).

Almost surely, 28465830799869 is an apocalyptic number.

It is an amenable number.

8465830799869 is a deficient number, since it is larger than the sum of its proper divisors (1).

8465830799869 is an equidigital number, since it uses as much as digits as its factorization.

8465830799869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5643509760, while the sum is 82.

The spelling of 8465830799869 in words is "eight trillion, four hundred sixty-five billion, eight hundred thirty million, seven hundred ninety-nine thousand, eight hundred sixty-nine".